Display screen with a graphical user interface

ABSTRACT

The design consists of the feature of ornamentation of a Display Screen shown in solid lines in the drawing.

The FIGURE is a front view of a display screen with a graphical user interface showing the new design.

The broken line showing of the display screen and the elements within the display screen is for environmental purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 